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lutein

[ loo-tee-in ]
/ ˈlu ti ɪn /
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noun Biochemistry.
Also called xanthophyll. a yellow-red, water-insoluble, crystalline, carotenoid alcohol, C40H56O2, found in the petals of marigold and certain other flowers, egg yolk, algae, and corpora lutea: used chiefly in the biochemical study of the carotenoids.
a preparation consisting of dried and powdered corpora lutea from hogs.
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Origin of lutein

1865–70; <Latin lūte(um) yolk of an egg (noun use of neuter of lūteus yellow; see luteous) + -in2

Words nearby lutein

Lut Desert, lute, luteal, luteal phase, lutefisk, lutein, luteinize, luteinizing hormone, luteinizing hormone-releasing hormone, lutenist, luteo-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for lutein

lutein
/ (ˈluːtɪɪn) /
noun
a xanthophyll pigment, occurring in plants, that has a light-absorbing function in photosynthesis

Word Origin for lutein

C20: from Latin lūteus yellow + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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